Car.prototype.name = 'su7'
Car.prototype.height = 1400
Car.prototype.lang = 5000



function Car(color, owner) {
    // this.name = 'su7'
    // this.height = 1400
    // this.lang = 5000
    this.color = color
    this.owner = owner
}


let car1 = new Car('red', '阿炜')
let car2 = new Car('green', '小朱')

console.log(car1.name);
